Home / 11,641.30-16,065.36-6,605.26

Finding the Fourth Proportional to 11,641.30, 16,065.36 and 6,605.26

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Solution

The fourth proportional to 11,641.30, 16,065.36 and 6,605.26 is: 9,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.30 : 16,065.36 = 6,605.26 : x
  2. Step 2: Convert to fraction form
    11,641.30/16,065.36 = 6,605.26/x
  3. Step 3: Cross multiply
    11,641.30x = 16,065.36 × 6,605.26
  4. Step 4: Simplify right side
    11,641.30x = 106,115,879.79
  5. Step 5: Solve for x
    x = 106,115,879.79/11,641.30
  6. Step 6: Final answer
    x = 9,115.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.